A nurse in a provider's office is talking with a client who takes oxybutynin. The client asks why he does not urinate as often. Which of the following information should the nurse include about the action of oxybutynin?
The medication reduces the rate at which the kidneys filter waste.
The medication decreases the sensitivity of the urethral sphincter.
The medication prevents the bladder muscles from involuntarily contracting.
The medication blocks the nervous system impulse to produce urine.
The Correct Answer is C
A. The medication reduces the rate at which the kidneys filter waste: This is incorrect as oxybutynin does not affect kidney function or the rate at which kidneys filter waste.
B. The medication decreases the sensitivity of the urethral sphincter: This is incorrect because oxybutynin primarily affects bladder muscle contraction, not the sensitivity of the urethral sphincter.
C. The medication prevents the bladder muscles from involuntarily contracting: This is correct as oxybutynin is an anticholinergic medication that reduces involuntary bladder contractions, leading to less frequent urination.
D. The medication blocks the nervous system impulse to produce urine: This is incorrect because oxybutynin works by blocking the action of acetylcholine in the bladder, not by blocking impulses to produce urine.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. "I would like to see what this looks like today": This indicates effective coping as the client is engaging with their condition and facing the changes directly, which is an important step in emotional adjustment and recovery.
B. "I'm going to close my eyes until you are done dressing my incision": This suggests avoidance of the situation, which may indicate difficulty in coping with the reality of their condition.
C. "I would just like to spend my day staring at the TV": This may indicate withdrawal or avoidance, which is not an effective coping strategy.
D. "I'm planning to stay at home until my breast reconstructive surgery": While this may be part of the client's plan, it does not directly indicate effective coping with the current situation.
Correct Answer is C
Explanation
A. Elevate the head of the bed 45° before starting the CPM device: This is incorrect as elevating the head of the bed is not a necessary preparation for using the CPM device. The device should be used according to the specific postoperative guidelines.
B. Ensure the frame joint is in a flexed position before placing the leg onto the device: This is incorrect because the frame joint should generally be in an extended position to properly align the leg for movement through the device's range of motion.
C. Ensure the knee joint is positioned over the CPM device frame joint: This is correct because proper alignment of the knee joint with the CPM device's frame joint is crucial to ensure that the device functions correctly and promotes effective range-of-motion exercises.
D. Instruct the client to increase the degree of flexion as tolerated: This is incorrect because the degree of flexion should be adjusted according to the prescribed protocol by the healthcare provider and should not be self-adjusted by the client.
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